Sprinkler



Sept. l5, 1931. G. BUELNA ET A1. f

SPRINKLER Filed March 17, 1930- Vac/1er:

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Patented Sept. l5, 1931 UNITED STATES PATENT OFFICE GUADALUPE BUELNA ANDHENRI EUGENE JEREMI VACHER, OF SANTA BARBARA, CALIFORNIA SPRINKLERApplication filed March 17, 1930. Serial No. 436,337.

Our invention relates to a water distributing device especially designedfor use in Watering, sprinkling or irrigating cultivated or plantedareas and it has particular reference to a water projecting device ofthe rotary type.

The prime object of the invention is to provide a sprinkler of thischaracter from which water shall be discharged only within a defined arcof its rotative motion thereby to confine the distribution to a definitearea and avoid water wastage.

Other objects will appear from the following specilication in connectionwith the accompanying drawings, which forms a part of this disclosureand in which Fig. 1 is a sectional elevation.

Fig. 2 is a section on line 2-2 Fig. 1, and

Fig. 3 is a section on line 3-3 Fig. 1.

In its broader aspect, our inventlon consists of a body or chamberconnected with a water supply and provided with a water impelled meansfor imparting to said body or chamber a relatively slow rotative motion,the body or chamber being provided with water distributing nozzles andwith means whereby the water entering into said chamber is alternatelydischarged through said nozzles only during the rotation thereof in a .odefined area. The invention is applicable also to that type of sprinklerhead in which the rotation thereof is eected by the reactive eli'ect ofthe water discharging from the nozzles, but positive meansy for rotatingthe head are preferable because thereby the speed of rotation may becontrolled and a more eficient wetting obtained.

In a more specic sense, and referring particularly to the form ofembodiment of the device expressed in the accompanying drawings, whichis a part of this disclosure, the invention comprises a hollow body orhead 1, which for purposes of assembly and inspection, is preferablycomposed .of two sections 2 and 3 threadedly conjoined. The .section 2is a chamber provided centrally thereof with a bored extension 2', forpurposes to be stated later. The section 3, which forms a closure forthe chamber or section l0 2, is provided with a housing 4, having aninternal cylindrical cavity 4 that is in open communication with thesection or chamber 2 to receive the water therefrom. Said housing isprovided with oppositely disposed, preferably angular-ly related outletsorpipes 5 and 6, into which sprinkler nozzles 7 and 8 are arranged to bescrewed. Inthe cavity 4 of the housing 4 is securely fitted acylindrical body or sleeve 9, that is provided with relatively narrowand elongated vertical ports 10 and 11. These ports 10 and 11respectively register or are alined with the passageways in the outletpipes 5 and 6 and through them the water passes from chamber or section2, eventually discharging through the sprinkler nozzles 7 and 8.

Within the chamber or section 2 is a horizontally disposed head 12, thatis provided with a vertical bored extension 13, which is arranged toproject through the extension 2 on the section or chamber 2 and the endof which extension 13 is threaded to receive a fitting 14, by whichconnection may be made with a water supply pipe 15. The head 12 isprovided with a plurality of tangential 75 horizontal passageways 16which communicate with the bore or passageway 13 in the extension 13.The passageways 16 project a plurality of jets tangentially against theinner face of an annulus 17 which surrounds said head 12; rests looselyand unconnectedly upon the bottom of the chamber or section 2 and isdiametrically smaller than said chamber. The action of these jets is torotate said annulus 17 continuously within said chamber, which, as saidannulus engages one or the other of opposed indentations 18 and 19 inthe wall of said chamber, is periodically moved therewith therebyproducing an intermittent and relatively slow rotation of the sprinklerbody.

Upon the head 12, is positioned a semicircular valve 2O which isdisposed within the sleeve or cylindrical body 9 and the top of which iscircular as seen at 21. By means of a spring 22, seated in a recess 23in the top of the housing 4 and bearing upon the cir-z cular top 9 ofthe valve 20, the bottom of the chamber or section 2 is caused to beheld in snug engagement with the bottom of the 100 water-jetting head12, thereby insuring a water-tight metal-to-metal joint, which sand orother foreign substancescannot disturb, and obviating the need forpacking. The spring 22 supports the entire sprinkler head or body 1which is rotatable relatively to the Water jet-ting head 12. Therotative movement of said valve 20` with the 'sprinkler head 1 duringoperation is prevented by a pin or other device 24, which is arranged toabut against ay stop 25 provided on the waterjetting head 12. Duringtherotation of the.

sprinkler headl 1, one or the other of the elongated vertical ports 10and 11 will be closed by the stationary valve 20, thereby preventing anywater from issuing from one of the nozzles 7 and 8, while thewater isfreely projected from the other nozzle. The alternate projection ofthewater through the nozzles and the shut-olf occur during the rotation ofthe sprinkler head through substantially a half circle, the shutting olfof .the water from one nozzle taking place practically simultaneouslywith the admission of water to the other nozzle.l Y

`It will be observed that the valve 20 is ing the ports in said linerduring the rotation of said chamber.

2. A sprinkler comprising a rotatable chamber provided in the topthereof with opposed outlets, sprinkler nozzles in said outlets, a waterdistributing head within said chamber and connected to a water supply, avalve loosely mounted upon said head, means yieldingly supportingsaid-.chamber from said valve and insuring a water tight joint betweenthe bottom of said chamber and said head, and means to rotate saidchamber g relatively to said valve thereby to cause the water to. bealternately discharged through saidnozzles only during approximatelyahalf revolutionof said chamber.-

In testimony whereof we have set our hands.

GUADALUPE BUELNA.

loosely set upon the jetting head 12, that is, v

it is not connected with said head. Y The essential purpose of thisarrangement is to cause a 'close and positive seating of the valveagainst the lining or sleeve 9 especially in the region of the ports 10and 11 therein, this seating or contact of the valve being insured bythe pressure of water against the plane surface of the valve and also bythe partial vacuum created in the nozzle, the passageway of which isclosedv by the valve 20.

In order to determine, when the sprinkler is assembled, 'which of theports 10 and 11 in the lining o r sleeve 9.is closed by the valve 20, weprovide an indication 26 on the tting 1-1 which is in verticalalinementWith'the stop 25 on the jetting head 12. When this fitting 14 istherefore turned so that it registers with or is in line with one ofthenozzles 7 and 8, the port in thel lining or sleeve 9.1eading to theparticular nozzle 1s closed. In this wise the sprinkler may be set toirrigate the special area desired.

What we claim, is:

1. A sprinkler comprising a chamber having a housing provided with acavity and with pipes, sprinkler nozzlestted in said pipes, a liner insaid cavity provided with opposed elongated ports registering with thepassageways in said pipes, a water distributing head within said chamberand connected to a water supply, a valve .loosely mounted' upon saidhead and disposed within said cavity, a yielding means carried by saidvalve to support said chamber and hold the bottom thereof in water tightengagement with said head, and means acted upon by the water issuingfrom said head to rotate said chamber, said valve alternately openingand clos-

